钢筋力学性能

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1、常用建筑钢筋力学性能参考值牌号级别公称尺寸允许偏差公称横截面面积屈服力KN抗拉力KN伸长率原始标距断后标距2≥335Pma≥455Pma%mm≥mm公称直径mmmmmm65.8±0.35.5-6.128.279.512.9303687.77.3-8.150.2716.922.94047109.69.2-1078.5428.935.850591211.511.1-11.9113.137.951.26071±0.4H1413.413-13.8153.951.669.87082R1615.415-15.8201.171.591.68094B17%1817.316.9-1

2、7.7265.585.6115.790106332019.318.8-19.8314.2104.9142.210011752221.3±0.520.8-21.8380.1127.2172.01101292524.223.7-24.7490.9163.3222.31251472827.226.6-27.8615.8206.3280.2140164±0.63231.030.4-31.6804.2285.5365.9160188适用标准依据--钢筋混凝土用钢第2部分热轧带肋钢筋GB1499.2-2007公称尺寸允许偏差公称横截面面积≥400Pma≥540Pma%原始标距

3、断后标距65.8±0.35.5-6.128.2711.315.3303587.77.3-8.150.2720.227.24047109.69.2-1078.5431.542.550581211.511.1-11.9113.145.161.36070H±0.4R1413.413-13.8154.961.983.37082B1615.415-15.8201.180.8108.4809316%41817.316.9-17.7265.5101.9137.19010502019.318.8-19.8314.2125.9171.210011602221.3±0.520.8-2

4、1.8380.1151.6205.51101282524.223.7-24.7490.9196.3268.41251452827.226.6-27.8615.8246.4332.6140162±0.63231.030.4-31.6804.2321.7434.3160186适用标准依据--钢筋混凝土用钢第2部分热轧带肋钢筋GB1499.2-2007公称直径允许偏差公称横截面面积≥235Pma≥370Pma%原始标距断后标距65.7-6.328.276.710.4630386.56.2-6.833.187.812.2832.5418±0.37.7-8.350.2711

5、.8118.64050HP109.7-10.378.5418.4629.15063B1211.7-12.3113.126.5841.85607525%21413.6-14.4153.936.1859.96708831615.6-16.4201.147.2574.3980100518±0.417.6-18.4254.559.894.15901132019.6-20.4314.273.83116.241001252221.6-22.4380.189.33140.65110138适用标准依据--钢筋混凝土用钢第1部分热轧光圆钢筋GB1499.1-2008